laura richman

By Shawn Flaherty The first ever X-STEM: Extreme STEM Symposium—presented by Northrop Grumman Foundation and MedImmune—kicks-off the 3rd USA Science & Engineering Festival Expo and Book Fair, hosted by founding and presenting sponsor Lockheed Martin.  Being held on April 24th at the Walter E. Washington Convention Center in DC, X-STEM is a “TED-style” event for kids with talks by 50 of the nation's most noted science, technology, engineering and mathematics (STEM) professionals representing top universities, corporations, non-profits, and governmental agencies. “X-STEM is the perfect…